Question

Qual a raiz sexta de 8 expoente 3

Answer 1

Lembrando da propriedade:

$\rightarrow~\sqrt[b]{a^c}~=~a^{\frac{c}{b}}$

$\sqrt[6]{8^3}~~=~~8^{\frac{3}{6}}~~=~~8^{\frac{1}{2}}~~=~~\sqrt[2]{8}~~=~~\sqrt{2~.~2^2}~~=~~\boxed{2.\sqrt{2}}$